Attributes / relations provided by
♦ 1Nathan P. Myhrvold, Elita Baldridge, Benjamin Chan, Dhileep Sivam, Daniel L. Freeman, and S. K. Morgan Ernest. 2015. An amniote life-history database to perform comparative analyses with birds, mammals, and reptiles. Ecology 96:3109
♦ 2Hamish Wilman, Jonathan Belmaker, Jennifer Simpson, Carolina de la Rosa, Marcelo M. Rivadeneira, and Walter Jetz. 2014.
EltonTraits 1.0: Species-level foraging attributes of the world's birds and mammals. Ecology 95:2027
♦ 3BirdLife International (2012) Species factsheet:
Callaeas cinereus. Downloaded from http://www.birdlife.org on 06/09/2012.
♦ 4THE IMPORTANCE OF BIRDS AS BROWSERS, POLLINATORS AND SEED DISPERSERS IN NEW ZEALAND FORESTS, M.N. Clout and J. R. Hay, NEW ZEALAND JOURNAL OF ECOLOGY, VOL 12, (SUPPLEMENT) 1989, pp. 27-33